Sharif Digital Repository

Shell-like instability of large diameter single-walled carbon nanotubes conveying fluid

Author

Ali-Akbari, H. R.

Pub. Year

2012

Subjects

Carbon nanotubes conveying fluid. / Flow-induced instability. / Continuum-based models. / Governing equations. / Large diameter. / Modal expansion. / Mode shapes. / Molecular structural mechanics. / Size dependent. / Structural displacement. / Vibrational behavior. / Wall thickness. / Young's Modulus. / Chirality. / Enantiomers. / Molecular mechanics. / Natural frequencies. / Structural dynamics. / Single-walled carbon nanotubes (SWCN)

A latency-tolerant MAC protocol for underwater acoustic sensor networks

Author

Azar, Z.

Pub. Year

2010

Subjects

Acoustic channel. / Acoustic channels. / Acoustic links. / Contention resolution. / Data packet. / Energy consumption. / Energy source. / Low energy consumption. / MAC protocol. / Medium access control protocols. / Periodic operation. / Propagation delays. / Saving energy. / Significant impacts. / Simulation result. / Synchronization algorithm. / System efficiency. / Time slots. / Underwater acoustic communications. / Underwater acoustic sensor networks. / Underwater environments. / Underwater sensor networks. / Computer simulation. / Energy efficiency. / Energy utilization. / Medium access control. / Sensor networks. / Telecommunication networks. / Telecommunication services. / Throughput. / Underwater acoustics. / Network protocols.

Semi-empirical modelling of hydraulic conductivity of clayey soils exposed to deionized and saline environments

Author

Hedayati Azar, A.

Publisher

Elsevier B.V,

Pub. Year

2022

Subjects

Analytical modelling. / Bentonite. / Pore fluid salinity. / Bentonite. / Deionized water. / Forecasting. / Leachate treatment. / Liquids. / Pore fluids. / Saline water. / Solute transport. / Analytical modeling. / Clayey soils. / Deionised waters. / Exposed to. / Liquid limits. / Modeling approach. / Pore-fluid salinity. / Semiempirical models. / Solute concentrations. / Hydraulic conductivity. / Bentonite. / Salt water. / Aqueous solution. / Bentonite. / Clay liner. / Clay soil. / Concentration (composition) / Error analysis. / Liquid limit. / Model validation. / Permeability. / Pore space. / Porous medium. / Salinity. / Soil mechanics. / Analytic method. / Aquatic environment. / Concentration (parameter) / Controlled study. / Data accuracy. / Empirical research. / Information processing. / Ionization. / Liquid. / Prediction. / Simulation. / Soil salinity. / Validation study. / Solution and solubility. / Waste disposal facility. / Clay. / Soil. / Solutions. / Waste Disposal Facilities. / Water. / Validation.

Theoretical and numerical study of contaminant transport in clayey barriers using a revised numerical model considering the dependency of membrane efficiency and hydraulic conductivity on solute concentration

Author

Sadeghi, H.

Publisher

Elsevier Ltd,

Pub. Year

2023

Subjects

Clayey barrier. / Diffusion. / Hydraulic conductivity. / Membrane efficiency. / Numerical simulation. / Soluble contaminants transport.

Optimization of nonlinear unbalanced flexible rotating shaft passing through critical speeds

Author

Amirzadegan, S.

Publisher

World Scientific,

Pub. Year

2022

Subjects

Critical speeds. / Continuum mechanics. / Damping. / Degrees of freedom (mechanics) / Equations of motion. / Nonlinear equations. / Rotating machinery. / Speed. / Stiffness. / Bearing optimization. / Critical speed. / Nonlinear oscillation. / Optimisations. / Passing through critical speed. / Rotating shaft. / Rotor systems. / Sommerfeld effect. / Unbalanced mass. / Work study. / Finite element method.

Nonlinear responses of unbalanced flexible rotating shaft passing through critical speeds

Author

Amirzadegan, S.

Publisher

Springer Science and Business Media B.V,

Pub. Year

2021

Subjects

Continuum mechanics. / Equations of motion. / Nonlinear equations. / Rotating machinery. / Speed. / Critical speed. / Non-linear response. / Nonlinear oscillation. / Passing through critical speed. / Rotating shaft. / Rotor systems. / Sommerfeld effect. / Unbalanced mass. / Von Karman. / Work study. / Finite element method.

L-sorbose production by gluconobacter oxydans using submerged fermentation in a bench scale fermenter

Author

Alizad Derakhshi Azar, S.

Publisher

National Nutrition and Food Technology Research Institute,

Pub. Year

2020

Subjects

Aerobic fermentation. / Ascorbic acid. / Gluconobacter oxydans. / L-Sorbose. / Response surface methodology.

Robust-fuzzy model for supplier selection under uncertainty: an application to the automobile industry

Author

Rabieh, M.

Publisher

Sharif University of Technology,

Pub. Year

2018

Subjects

Robust-fuzzy model. / Automotive industry. / Fuzzy systems. / Optimization. / Auto industry. / Fuzzy programming. / Robust fuzzy. / Robust optimization. / Supplier selection. / Uncertainty. / Membership functions. / Automobile industry. / Data set. / Fuzzy mathematics. / Innovation. / Linear programing. / Methodology. / Numerical model. / Uncertainty analysis.